package org.zhadoop.stream.cql.executor.expressioncreater;

import java.util.Map;

import org.zhadoop.stream.cql.exception.ExecutorException;
import org.zhadoop.stream.cql.semanticanalyzer.analyzecontext.expressiondesc.ExpressionDescribe;
import org.zhadoop.streaming.expression.IExpression;

/**
 * 二元表达式的实例判断
 * @author zwd
 *
 */
public class BinaryExpressionCreator implements ExpressionCreator{

	@Override
	public IExpression createInstance(ExpressionDescribe expressionDescribe, Map<String, String> systemconfig)
			throws ExecutorException {
		// TODO Auto-generated method stub
		return null;
	}
	
}
